19564730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26801}}^1$

素因数の和:26881

約数の個数: 16

約数和(自身を含む): 35700264

約数和(自身を除く): 16135534

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 26801, 53602, 134005, 268010, 1956473, 3912946, 9782365, 19564730]

約数ペア:

[(1, 19564730), (2, 9782365), (5, 3912946), (10, 1956473), (73, 268010), (146, 134005), (365, 53602), (730, 26801)]